One Click Battery Saver play online

**When you open the application for the first time you might have to wait a little longer than usual.

This app deactivates several functions that are responsible for a major percentage of battery's consuption.(for emergency situations i.e. if battery is on level 25% or less)

Why use this app and not one that is well known?
This app requires just a little space on the storage. It does not require internet access. Is completely free and does not contain ads at all.
The app also contains Sleep Mode !